Hi SuperSparkplug, I'm not getting any of the problems you're experiencing. The only thing I see is that the pivot of the head control isn't on the joint, creating floating when you rotate it. It also seems like on the right leg, when you move the pole vector, the foot itself moves. This shouldn't happen.

Try deleting your preferences folder; start Maya, and it if asks, click "Create default preferences". Please note, your shelves will be deleted. (Might want to make a backup in case)